CVE-2020-14405 Information

Description

An issue was discovered in LibVNCServer before 0.9.13. libvncclient/rfbproto.c does not limit TextChat size.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Reference

https://github.com/LibVNC/libvncserver/commit/8937203441ee241c4ace85da687b7d6633a12365 https://github.com/LibVNC/libvncserver/compare/LibVNCServer-0.9.12…LibVNCServer-0.9.13 https://lists.debian.org/debian-lts-announce/2020/06/msg00035.html https://lists.debian.org/debian-lts-announce/2020/08/msg00045.html https://usn.ubuntu.com/4434-1/

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

6.5